Maximum Relaxation: The Angle Body system is the perfect way to relax. This system gives you the support you need for your back and legs. 3 Parts: The Angle System comes with a Leg Wedge (our Angle) a Back Wedge and a 5" Neck Roll Pillow Sizing: Multiple sizes to fit everyone. Petite fits people who are between 4'8 and 5'3 height. Small for those between 5'3 and 5'6. Large for those who are between 5'7 and 6'0 tall. Extra Wide is for individuals who are taller than 6'0. Foam: Made from the highest quality Bio-Foam - so not only is it good for you, it's good for the environment. Removable Bamboo Blend Cover: The system comes with a removable cover for all its parts. The cover is made out of a breathable bamboo/rayon blend for ultimate comfort and softness. Fiber count: 65% Polyester, 35% Rayon derived from Bamboo.